code: def __init__(self, host, port, union_name, policy_id, route_table):
      self.host = host
      self.port = port
      self.union_name = union_name
      self.policy_id = policy_id
      self.route_table = route_table
  
imports: import json
  from logging import getLogger
  from typing import List, Optional
  from fate.arch.federation.api import PartyMeta
  from fate.arch.federation.message_queue import MessageQueueBasedFederation, Party
  from ._mq_channel import MQChannel
  from ._rabbit_manager import RabbitManager
label_desc: Use image node_id 1 to create a new MQ object from inherited base classes: object with example: obj = MQ(host, port, union_name, policy_id, route_table)